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  <h1 class="topictitle1">规划复制网络</h1>

  <div><p id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_p165141546151618">创建复制前，需要确保已完成复制网络组网并满足相关网络要求。本节介绍复制网络要求及组网支持情况。</p>
<div class="section" id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_section12984845121520"><h4 class="sectiontitle">复制网络要求</h4><p id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_p1511034811516">对于复制功能，<span id="clickhouse-0019__zh-cn_topic_0000001839143205_text127010210018">OceanProtect</span>的复制网络与备份网络使用相同的接口模块。复制网络的详细要求如<a href="#clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_table152358182403">表1</a>所示。</p>

<div class="tablenoborder"><a name="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_table152358182403"></a><a name="zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_table152358182403"></a><table cellpadding="4" cellspacing="0" summary="" id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_table152358182403" frame="border" border="1" rules="all"><caption><b>表1 </b>复制网络要求</caption><colgroup><col style="width:21.740000000000002%"><col style="width:78.25999999999999%"></colgroup><thead align="left"><tr id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_row112356184404"><th align="left" class="cellrowborder" valign="top" width="21.740000000000002%" id="mcps1.3.2.3.2.3.1.1"><p id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_p72359181409">项目</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="78.25999999999999%" id="mcps1.3.2.3.2.3.1.2"><p id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_p20235131813408">网络要求</p>
</th>
</tr>
</thead>
<tbody><tr id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_row1388919291310"><td class="cellrowborder" valign="top" width="21.740000000000002%" headers="mcps1.3.2.3.2.3.1.1 "><p id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_p1588917213131">复制网络组网</p>
</td>
<td class="cellrowborder" valign="top" width="78.25999999999999%" headers="mcps1.3.2.3.2.3.1.2 "><p id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_p1588912218134">主从端复制网络的组网连线可参考产品对应型号的<span id="clickhouse-0019__zh-cn_topic_0000001839143205_cite57171056122614">《安装指南》</span>中的<span class="parmvalue" id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_parmvalue181681420151311">“组网规划”</span>。</p>
</td>
</tr>
<tr id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_row32359186402"><td class="cellrowborder" valign="top" width="21.740000000000002%" headers="mcps1.3.2.3.2.3.1.1 "><p id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_p182357188409">复制网络协议</p>
</td>
<td class="cellrowborder" valign="top" width="78.25999999999999%" headers="mcps1.3.2.3.2.3.1.2 "><p id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_p523520189408">TCP/IP协议。</p>
</td>
</tr>
<tr id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_row141891258184312"><td class="cellrowborder" valign="top" width="21.740000000000002%" headers="mcps1.3.2.3.2.3.1.1 "><p id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_p31891358164312">IP地址</p>
</td>
<td class="cellrowborder" valign="top" width="78.25999999999999%" headers="mcps1.3.2.3.2.3.1.2 "><p id="clickhouse-0019__zh-cn_topic_0000001839143205_p57551828105717">详细配置要求可参考产品对应型号的<span id="clickhouse-0019__zh-cn_topic_0000001839143205_cite118241752104117">《安装指南》</span>中的<span class="parmvalue" id="clickhouse-0019__zh-cn_topic_0000001839143205_parmvalue187806361167">“组网规划”</span>。</p>
</td>
</tr>
<tr id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_row1267393041820"><td class="cellrowborder" valign="top" width="21.740000000000002%" headers="mcps1.3.2.3.2.3.1.1 "><p id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_p10963471819">IP地址类型</p>
</td>
<td class="cellrowborder" valign="top" width="78.25999999999999%" headers="mcps1.3.2.3.2.3.1.2 "><p id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_p149193419187">IPv4/IPv6。</p>
</td>
</tr>
<tr id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_row136406311993"><td class="cellrowborder" valign="top" width="21.740000000000002%" headers="mcps1.3.2.3.2.3.1.1 "><p id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_p123501844017">网络质量要求</p>
</td>
<td class="cellrowborder" valign="top" width="78.25999999999999%" headers="mcps1.3.2.3.2.3.1.2 "><ul id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_ul11355643174214"><li id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_li143551343124215">往返时延≤100ms。</li><li id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_li15355194313422">带宽≥10MB。</li><li id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_li14355124334214">丢包率&lt;0.1%。</li></ul>
</td>
</tr>
<tr id="clickhouse-0019__zh-cn_topic_0000001839143205_row17272394333"><td class="cellrowborder" valign="top" width="21.740000000000002%" headers="mcps1.3.2.3.2.3.1.1 "><p id="clickhouse-0019__zh-cn_topic_0000001839143205_p1727639193314">管理网络组网</p>
</td>
<td class="cellrowborder" valign="top" width="78.25999999999999%" headers="mcps1.3.2.3.2.3.1.2 "><p id="clickhouse-0019__zh-cn_topic_0000001839143205_p472763983313">如果您规划使用管理IP添加复制目标集群，请确保主端和从端的管理网络连通。</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_section1715344820211"><h4 class="sectiontitle">复制组网</h4><p id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_p1041775814153"><span id="clickhouse-0019__zh-cn_topic_0000001839143205_text1130119314018">OceanProtect</span>支持的复制组网类型如下：</p>
<ul id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_ul3387161518167"><li id="clickhouse-0019__zh-cn_topic_0000001839143205_li3411165471410">支持1:1复制。</li><li id="clickhouse-0019__zh-cn_topic_0000001839143205_li1766416120150">1:N复制（N最大为4）。</li><li id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_li3717729161610">支持N:1复制（N最大为16）。</li><li id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_li18137174114164">支持反向复制。</li><li id="clickhouse-0019__zh-cn_topic_0000001839143205_zh-cn_topic_0000001233857383_zh-cn_topic_0000001171395182_li13387151561610">支持级联复制（即A-&gt;B-&gt;C复制）。<div class="fignone" id="clickhouse-0019__zh-cn_topic_0000001839143205_fig257414414105"><span class="figcap"><b>图1 </b>N:1复制</span><br><span><img class="eddx" id="clickhouse-0019__zh-cn_topic_0000001839143205_image13574184491020" src="zh-cn_image_0000001792503870.png"></span></div>
<div class="fignone" id="clickhouse-0019__zh-cn_topic_0000001839143205_fig1267819421890"><span class="figcap"><b>图2 </b>1:N复制</span><br><span><img class="eddx" id="clickhouse-0019__zh-cn_topic_0000001839143205_image146782425914" src="zh-cn_image_0000001839223217.png"></span></div>
<div class="fignone" id="clickhouse-0019__zh-cn_topic_0000001839143205_fig816118556217"><span class="figcap"><b>图3 </b>反向复制</span><br><span><img class="eddx" id="clickhouse-0019__zh-cn_topic_0000001839143205_image13161185510217" src="zh-cn_image_0000001839143261.png"></span></div>
<div class="fignone" id="clickhouse-0019__zh-cn_topic_0000001839143205_fig12457155812716"><span class="figcap"><b>图4 </b>级联复制</span><br><span><img class="eddx" id="clickhouse-0019__zh-cn_topic_0000001839143205_image1645712581876" src="zh-cn_image_0000001792344142.png"></span></div>
</li></ul>
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